Preliminary characterization of a laboratory-constructed, easily disassembled concentric pneumatic nebulizer for inductively coupled plasma mass spectrometry

Michael E. Ketterer, David D. Hudson

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

A low-cost concentric nebulizer that can be disassembled and reassembled is described. This device uses commercially available fused silica tubing as an inner capillary and a borosilicate glass serological pipet as an outer capillary. The device is readily constructed in <15 min with commercially available components; no specialized skills such as machining, injection molding, or glassworking are required. The easily disassembled concentric nebulizer has been compared to a commercially available glass concentric nebulizer using ICP-MS; similar characteristics for M+ and MO+ intensities versus nebulizer Ar flow rate were observed. The commercially available glass concentric nebulizer was found to produce higher peak M+ signals amounting to 29-58 and 23-29 relative percent difference at liquid introduction rates of 0.27 and 1.08 ml min-1, respectively; this difference may arise from differences in the inner capillary wall thickness. The easily disassembled nebulizer yielded satisfactory 238U:235U measurements with precision limited to ≈0.3% RSD.

Original languageEnglish (US)
Pages (from-to)1574-1577
Number of pages4
JournalJournal of Analytical Atomic Spectrometry
Volume15
Issue number12
DOIs
StatePublished - Dec 2000

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Inductively coupled plasma mass spectrometry
Pneumatics
Glass
Borosilicate glass
Tubing
Fused silica
Injection molding
Machining
Flow rate
Liquids
Costs

ASJC Scopus subject areas

  • Spectroscopy

Cite this

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abstract = "A low-cost concentric nebulizer that can be disassembled and reassembled is described. This device uses commercially available fused silica tubing as an inner capillary and a borosilicate glass serological pipet as an outer capillary. The device is readily constructed in <15 min with commercially available components; no specialized skills such as machining, injection molding, or glassworking are required. The easily disassembled concentric nebulizer has been compared to a commercially available glass concentric nebulizer using ICP-MS; similar characteristics for M+ and MO+ intensities versus nebulizer Ar flow rate were observed. The commercially available glass concentric nebulizer was found to produce higher peak M+ signals amounting to 29-58 and 23-29 relative percent difference at liquid introduction rates of 0.27 and 1.08 ml min-1, respectively; this difference may arise from differences in the inner capillary wall thickness. The easily disassembled nebulizer yielded satisfactory 238U:235U measurements with precision limited to ≈0.3{\%} RSD.",
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N2 - A low-cost concentric nebulizer that can be disassembled and reassembled is described. This device uses commercially available fused silica tubing as an inner capillary and a borosilicate glass serological pipet as an outer capillary. The device is readily constructed in <15 min with commercially available components; no specialized skills such as machining, injection molding, or glassworking are required. The easily disassembled concentric nebulizer has been compared to a commercially available glass concentric nebulizer using ICP-MS; similar characteristics for M+ and MO+ intensities versus nebulizer Ar flow rate were observed. The commercially available glass concentric nebulizer was found to produce higher peak M+ signals amounting to 29-58 and 23-29 relative percent difference at liquid introduction rates of 0.27 and 1.08 ml min-1, respectively; this difference may arise from differences in the inner capillary wall thickness. The easily disassembled nebulizer yielded satisfactory 238U:235U measurements with precision limited to ≈0.3% RSD.

AB - A low-cost concentric nebulizer that can be disassembled and reassembled is described. This device uses commercially available fused silica tubing as an inner capillary and a borosilicate glass serological pipet as an outer capillary. The device is readily constructed in <15 min with commercially available components; no specialized skills such as machining, injection molding, or glassworking are required. The easily disassembled concentric nebulizer has been compared to a commercially available glass concentric nebulizer using ICP-MS; similar characteristics for M+ and MO+ intensities versus nebulizer Ar flow rate were observed. The commercially available glass concentric nebulizer was found to produce higher peak M+ signals amounting to 29-58 and 23-29 relative percent difference at liquid introduction rates of 0.27 and 1.08 ml min-1, respectively; this difference may arise from differences in the inner capillary wall thickness. The easily disassembled nebulizer yielded satisfactory 238U:235U measurements with precision limited to ≈0.3% RSD.

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